VDT (Visual Disk Test) performs various I/O tests on files and devices such as whole hard disks, partitions, and logical volumes. It provides visual feedback on screen while offering a broad selection of addressing methods and test area selection.

NouvaLinux backup and rescue is a live CD with some special tools for making backups and system recovery.
The main tool is an application made by RyXéo (a free software company): a partclone GUI. Backup is Clonezilla compatible: you can make backups with NouvaLinux backup and restore them with Clonezilla.

ptmax allows you to grow any primary partition in the partition table without any interaction with partition content. It does not move any partitions at all; it just changes the PT entry. It is useful for virtual machines (Xen/kvm) with resized block device and LVM inside.